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- # SPDX-License-Identifier: GPL-2.0+
- #
- # Copyright (C) 2017-2018 Texas Instruments Incorporated - http://www.ti.com/
- # Lokesh Vutla <lokeshvutla@ti.com>
- ifdef CONFIG_SPL_BUILD
- # Openssl is required to generate x509 certificate.
- # Error out if openssl is not available.
- ifeq ($(shell which openssl),)
- $(error "No openssl in $(PATH), consider installing openssl")
- endif
- IMAGE_SIZE= $(shell cat $(obj)/u-boot-spl.bin | wc -c)
- MAX_SIZE= $(shell printf "%d" $(CONFIG_SYS_K3_MAX_DOWNLODABLE_IMAGE_SIZE))
- ifeq ($(CONFIG_SYS_K3_KEY), "")
- KEY=""
- # On HS use real key or warn if not available
- ifeq ($(CONFIG_TI_SECURE_DEVICE),y)
- ifneq ($(wildcard $(TI_SECURE_DEV_PKG)/keys/custMpk.pem),)
- KEY=$(TI_SECURE_DEV_PKG)/keys/custMpk.pem
- else
- $(warning "WARNING: signing key not found. Random key will NOT work on HS hardware!")
- endif
- endif
- else
- KEY=$(patsubst "%",$(srctree)/%,$(CONFIG_SYS_K3_KEY))
- endif
- # tiboot3.bin is mandated by ROM and ROM only supports R5 boot.
- # So restrict tiboot3.bin creation for CPU_V7R.
- ifdef CONFIG_CPU_V7R
- image_check: $(obj)/u-boot-spl.bin FORCE
- @if [ $(IMAGE_SIZE) -gt $(MAX_SIZE) ]; then \
- echo "===============================================" >&2; \
- echo "ERROR: Final Image too big. " >&2; \
- echo "$< size = $(IMAGE_SIZE), max size = $(MAX_SIZE)" >&2; \
- echo "===============================================" >&2; \
- exit 1; \
- fi
- tiboot3.bin: image_check FORCE
- $(srctree)/tools/k3_gen_x509_cert.sh -c 16 -b $(obj)/u-boot-spl.bin \
- -o $@ -l $(CONFIG_SPL_TEXT_BASE) -k $(KEY)
- ALL-y += tiboot3.bin
- endif
- ifdef CONFIG_ARM64
- ifeq ($(CONFIG_TI_SECURE_DEVICE),y)
- SPL_ITS := u-boot-spl-k3_HS.its
- $(SPL_ITS): export IS_HS=1
- ALL-y += tispl.bin_HS
- else
- SPL_ITS := u-boot-spl-k3.its
- ALL-y += tispl.bin
- endif
- quiet_cmd_k3_mkits = MKITS $@
- cmd_k3_mkits = \
- $(srctree)/tools/k3_fit_atf.sh \
- $(patsubst %,$(obj)/dts/%.dtb,$(subst ",,$(CONFIG_SPL_OF_LIST))) > $@
- $(SPL_ITS): FORCE
- $(call cmd,k3_mkits)
- endif
- else
- ifeq ($(CONFIG_TI_SECURE_DEVICE),y)
- ALL-y += u-boot.img_HS
- else
- ALL-y += u-boot.img
- endif
- endif
- include $(srctree)/arch/arm/mach-k3/config_secure.mk
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